[meson] option to include_doc

meson_options.txt

@@ -2,3 +2,4 @@ option('glibcxx_asserts', type : 'boolean', value : false)
 option('use_system_vulkan', type : 'feature', value : 'disabled', description: 'Use system vulkan headers instead of the provided ones')
 option('mangohud_prefix', type : 'string', value : '', description: 'Add prefix to cross-compiled library, like "lib32-".')
 option('append_libdir_mangohud', type : 'boolean', value : true, description: 'Append "mangohud" to libdir path or not.')
+option('include_doc', type : 'boolean', value : true, description: 'Include the example config')

src/meson.build

@@ -115,8 +115,10 @@ configure_file(input : '../bin/mangohud.in',
   install_dir : get_option('bindir'),
 )
 
-install_data(
-  files('../bin/MangoHud.conf'),
-  install_dir : join_paths(get_option('datadir'), 'doc', 'mangohud'),
-  rename : ['MangoHud.conf.example']
-)
+if get_option('include_doc')
+  install_data(
+    files('../bin/MangoHud.conf'),
+    install_dir : join_paths(get_option('datadir'), 'doc', 'mangohud'),
+    rename : ['MangoHud.conf.example']
+  )
+endif